WO2012041241A1 - Appareil batterie à combustible pour accélérer l'écoulement d'air de surface de cathode - Google Patents

Appareil batterie à combustible pour accélérer l'écoulement d'air de surface de cathode Download PDF

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Publication number
WO2012041241A1
WO2012041241A1 PCT/CN2011/080331 CN2011080331W WO2012041241A1 WO 2012041241 A1 WO2012041241 A1 WO 2012041241A1 CN 2011080331 W CN2011080331 W CN 2011080331W WO 2012041241 A1 WO2012041241 A1 WO 2012041241A1
Authority
WO
WIPO (PCT)
Prior art keywords
anode
air flow
fuel cell
cathode surface
stage
Prior art date
Application number
PCT/CN2011/080331
Other languages
English (en)
Chinese (zh)
Inventor
马润芝
石辉
施建
张学国
程炳烨
Original Assignee
Ma Runzhi
Shi Hui
Shi Jian
Zhang Xueguo
Cheng Bingye
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN2010105013743A external-priority patent/CN102005627B/zh
Priority claimed from CN2010105257004A external-priority patent/CN102025006B/zh
Priority claimed from CN201010525678.3A external-priority patent/CN102025005B/zh
Priority claimed from CN2010105256548A external-priority patent/CN102025004A/zh
Application filed by Ma Runzhi, Shi Hui, Shi Jian, Zhang Xueguo, Cheng Bingye filed Critical Ma Runzhi
Publication of WO2012041241A1 publication Critical patent/WO2012041241A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M12/00—Hybrid cells; Manufacture thereof
    • H01M12/04—Hybrid cells; Manufacture thereof composed of a half-cell of the fuel-cell type and of a half-cell of the primary-cell type
    • H01M12/06—Hybrid cells; Manufacture thereof composed of a half-cell of the fuel-cell type and of a half-cell of the primary-cell type with one metallic and one gaseous electrode
    • H01M12/065—Hybrid cells; Manufacture thereof composed of a half-cell of the fuel-cell type and of a half-cell of the primary-cell type with one metallic and one gaseous electrode with plate-like electrodes or stacks of plate-like electrodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/64—Heating or cooling; Temperature control characterised by the shape of the cells
    • H01M10/647—Prismatic or flat cells, e.g. pouch cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6561—Gases
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
    • H01M8/04089—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/50—Fuel cells

Definitions

  • the present invention relates to an air electrode fuel cell, and more particularly to a fuel cell device for accelerating air flow on a cathode surface.
  • the fuel cell consists of an anode, a cathode, and an ion-conducting electrolyte. It works like a normal chemical cell.
  • the air electrode fuel cell uses a metal or alloy as the anode, and the cathode uses the air electrode.
  • the fuel cell can be used in electric vehicles, notebook computers and mobile phone batteries. Currently, it is mainly used in emergency power sources. The principle is electrochemical reaction. Therefore, it will release heat during work. At present, the research on fuel cells does not pay attention to the heat dissipation problem of the battery. Especially when multi-stage batteries are used in parallel or in series, each stage of the battery in operation is exothermic, which will cause the whole The heat of the battery pack is difficult to discharge, which affects the performance and service life of other components.
  • the object of the present invention is to provide a fuel cell device for accelerating the air flow on the surface of the cathode to solve the heat dissipation problem of heat generated during the electrochemical reaction when the multi-stage battery is used together, and is an air cathode.
  • the electrode provides sufficient oxygen.
  • a fuel cell device for accelerating air flow on a cathode surface which is composed of at least two single-stage batteries, wherein each single-stage battery includes a casing and an electrolyte chamber. a reactant collection chamber, an electrochemical reaction chamber between the electrolyte chamber and the reactant collection chamber, one side of the electrochemical reaction chamber is provided with an anode socket for inserting the anode, and inserted into the electrochemical reaction chamber An anode electrode plate, and an air cathode electrode plate on both sides of the anode electrode plate, the air cathode is attached to both sides of the electrochemical reaction chamber, and further includes an air circulation structure.
  • the air circulation structure includes a self-circulating passage inside the casing and an outer circulation passage between two adjacent single-stage batteries.
  • the self-circulating passage of the present invention is located in a passage connecting the electrolyte chamber, the electrochemical reaction chamber and the reactant collecting chamber inside the casing, and comprises a passage between the anode fixed plate and the anode electrode plate or at the anode electrode plate. A passage between the inner walls of the housing at one end of the chemical reaction chamber.
  • the self-circulating passage of the present invention is located inside the casing, and includes a passage between the anode fixed plate and the anode electrode plate and a passage between the anode electrode plate and the inner wall of the one end of the chemical reaction chamber.
  • the outer circulation channel of the present invention is a channel formed between adjacent single-stage cells by two adjacent two-stage batteries through a combined structure.
  • the engaging structure is provided with two or more ribs on the outer wall of the upper electrolyte chamber of a single-stage battery and a single stage adjacent thereto.
  • a corresponding concave rib is disposed on the outer wall of the upper electrolyte chamber of the battery.
  • the engaging structure comprises a rib and a concave rib on the outer wall of the upper electrolyte chamber of a single-stage battery, and an outer wall of the electrolyte chamber of the adjacent single-stage battery.
  • the engaging structure of the present invention is a bolt fixing device provided on the above rib, which is provided with a screw hole on a rib of a single-stage battery and a lower electrolyte chamber, and a rib of a single-stage battery adjacent thereto Bolts are placed on the lower electrolyte chamber, and two adjacent single-stage batteries are fixed by bolt fixing means.
  • the ribs or the ridges are disposed on the outer wall in parallel with each other in the longitudinal direction.
  • the two ribs or concave ribs are disposed on the outer wall in a narrow width and a narrow figure-eight shape.
  • the specification further accelerates the air flow on the surface of the cathode, and the thickness of the single-stage electrochemical reaction chamber is smaller than the thickness of the electrolyte chamber and the reactant collection chamber.
  • the fuel cell device of the present invention for accelerating air flow on the surface of the cathode further comprises a cathode reaction heat exchange structure.
  • the cathode reaction heat exchange structure comprises an insulated cathode fixed barrier disposed on a front side and a back side of the electrochemical reaction chamber, and the cathode fixed grid is provided with a protrusion.
  • the fuel cell device of the present invention for accelerating the flow of cathode surface air further comprises an anode sealing device.
  • the anode sealing device of the present invention comprises an elastic sealing gasket and an anode fixing plate, wherein the anode fixing plate is connected to one end of the anode electrode plate, and the elastic sealing gasket is located between the anode fixing plate and the anode socket, the elastic sealing gasket
  • the anode is located between the anode fixing plate and the anode socket, and the inner side of the anode fixing plate is provided with a rib, the rib is matched with the anode socket; and the inner side of the anode fixing plate is further provided with an annular rib.
  • the size of the annular rib is matched to the elastic sealing jaw, which is sealed by a sealing device and fixed in the electrochemical reaction chamber.
  • the anode sealing device of the present invention further comprises a limiting block at a corresponding position on the housing at both ends of the anode socket and a roller fixing spring strip respectively mounted on the limiting block respectively .
  • the power source used in the present invention uses an alloy or a metal as an anode and a gas-based fuel cell, so that it has low pollution, does not need to store electric energy by the power grid, can generate current independently of operation, and therefore has low cost and the like.
  • the multi-stage external circulation type air electrode fuel cell of the present invention is a plurality of single-stage batteries fixedly combined by ribs and concave ribs, so that adjacent single-stage batteries are firmly combined, and are not easily scattered during use, which is convenient. Disassembled.
  • the main advantages of the present invention are: a plurality of single-stage batteries are fixed to each other by ribs and concave ribs,
  • the specification also forms a channel between adjacent single-stage cells, and because the sum of the thickness of the upper electrolyte chamber and the thickness of the rib on one side wall is equal to the thickness of the lower electrolyte chamber, two adjacent ones are ensured.
  • the lower end of the space between the single-stage batteries is sealed to form a chimney-like structure, so that the hot gas generated in the reaction flows upward along the fixed groove, and heat is exchanged between the battery casing and the electrolyte while dissipating heat. And the circulating flow of the electrolyte is further accelerated, and the electrochemical reaction is further accelerated.
  • the thickness of the electrochemical reaction chamber in the middle of the single-stage battery is smaller than the thickness of the upper and lower electrolyte chambers, two adjacent single-stage batteries are fixed to each other.
  • the channel in the middle position has a large volume to form an air passage, and the air enters the air passage through the side of the single-stage battery, and enters into the electrochemical reaction chamber through the micro-hole to provide sufficient oxygen for the cathode reaction, which is more complete reaction. Complete, to maximize the utilization of the electrode material.
  • FIG. 1 is a schematic view showing the structure of a single-stage battery of a fuel cell device for accelerating air flow on a cathode surface according to the present invention
  • FIG. 2 is a schematic view showing the internal structure of a single-stage battery of a fuel cell device for accelerating air flow on a cathode surface according to the present invention
  • FIG. 3 is a schematic view showing a single-stage battery snap-fit structure of a fuel cell device for accelerating air flow on a cathode surface according to the present invention
  • FIG. 4 is a schematic view showing a single-stage battery snap-fit structure of a fuel cell device for accelerating air flow on a cathode surface according to the present invention
  • Figure 5 is a schematic view showing an embodiment of a fuel cell device for accelerating air flow on a cathode surface of the present invention
  • FIG. 6 is a schematic view showing the structure of a multi-stage battery device of a fuel cell device for accelerating air flow on a cathode surface according to the present invention
  • Figure 7 is a cross-sectional view of a passage between two single-stage batteries of a fuel cell device for accelerating air flow on a cathode surface of the present invention.
  • the fuel cell device for accelerating the air flow on the cathode surface of the present invention is composed of at least two single-stage batteries, wherein each single-stage battery includes a casing, an electrolyte chamber 1, and a reactant collection chamber 3.
  • An electrochemical reaction chamber 2 between the electrolyte chamber 1 and the reactant collection chamber 3, one side of the electrochemical reaction chamber 2 is provided with an anode socket for insertion of the anode, and inserted into the electrochemical reaction chamber 2
  • the air circulation structure It includes a self-circulating channel inside the battery and an outer circulation channel between two adjacent single-stage batteries.
  • the outer circulation channel of the present invention is a channel 8 formed between adjacent single-stage cells by two adjacent two-stage batteries through a one-by-one structure.
  • the self-circulating passage is located in a passage of the interior of the casing that communicates with the electrolyte chamber, the electrochemical reaction chamber, and the reactant collection chamber, and includes a passage between the anode fixed plate and the anode electrode plate. 21 or a channel 22 between the anode electrode plate electrode plate 5 and the chemical reaction chamber 2 - the inner wall of the end case.
  • the self-circulating passage of the present invention is located inside the casing, and includes a passage 21 located between the anode fixing plate 6 and the anode electrode plate 5 and located at A channel 22 between the anode electrode plate 5 and the chemical reaction chamber 2, the inner wall of the end housing.
  • the engaging structure is provided with two or more convex portions on the outer wall of the upper electrolyte chamber of a single-stage battery.
  • the rib 1 1 and the corresponding concave rib 12 are provided on the outer wall of the upper electrolyte chamber of the adjacent single-stage battery.
  • the engaging structure comprises a rib 11 and a concave rib 12 respectively disposed on an outer wall of the upper electrolyte chamber of a single-stage battery. Adjacent single It is stated that the outer wall of the upper electrolyte chamber of the book-level battery is provided with matching ribs 1 1 and concave ribs 12.
  • the ribs 11 or the concave ribs 12 are disposed on the outer wall in parallel with each other in the longitudinal direction.
  • the two ribs or EJ-shaped ribs are disposed on the outer wall in a narrow width and a narrow figure-eight shape.
  • the engaging structure of the present invention is a bolt fixing device provided on the above rib, which is provided with a screw hole on a rib of a single-stage battery and a lower electrolyte chamber, and a rib of a single-stage battery adjacent thereto Bolts are placed on the lower electrolyte chamber, and two adjacent single-stage batteries are fixed by bolt fixing means.
  • the hot gas generated in the electrochemical reaction is ensured to flow along the fixed channel, and the electrolyte chamber of the present invention
  • the sum of the thickness of the rib 11 or the concave rib 12 on the side wall of one side is equal to the thickness of the reactant collecting chamber 3.
  • the air flow on the cathode surface is further accelerated, and the single-stage electric power according to the present invention
  • the thickness of the electrochemical reaction chamber 2 is smaller than the thickness of the electrolyte chamber 1 and the reactant collection chamber 3 to maintain a certain distance between the electrochemical reaction chambers of two adjacent single-stage cells to form the heat exchange chamber 9.
  • the fuel cell device of the present invention for accelerating the flow of cathode surface air further comprises a cathodic reaction heat exchange structure.
  • the cathode reaction heat exchange structure comprises an insulated cathode fixed barrier 23 disposed on the front and back sides of the electrochemical reaction chamber, and the cathode fixed barrier is provided with a protrusion.
  • the fuel cell device of the present invention for accelerating air flow to the cathode surface further includes an anode sealing device.
  • the anode sealing device of the present invention comprises an elastic gasket 4 and an anode fixing plate 6, the anode fixing plate 6 is connected to one end of the anode electrode plate 5, and the elastic sealing gasket 4 is located between the anode fixing plate 6 and the anode socket.
  • the elastic gasket is located between the anode fixing plate and the anode socket, and the inner side of the anode fixing plate is provided with a rib, the rib is matched with the anode socket; the inner side of the anode fixing plate is further provided An annular rib having a size matching the elastic sealing jaw, the anode
  • the electrode plate of the book is sealed by a sealing device and fixed in the electrochemical reaction chamber.
  • the anode sealing device of the present invention further includes a limiting block at a corresponding position on the housings respectively disposed at two ends of the anode socket, and two ends of the roller respectively mounted on the limiting block. Fixed spring strip.
  • the embodiments described above are only a few preferred embodiments of the present invention.
  • the above embodiments may also provide a concave-convex engaging structure on the cathode fixing plate, and an outer wall on both sides of the upper electrolyte chamber of the single-stage battery.
  • At least one rib is provided on the upper side to form a channel between adjacent single-stage batteries.
  • the ribs may be two or more, and the positional relationship between the ribs is not limited to parallel or splayed. It is therefore within the scope of the invention to make the usual variations and substitutions of those skilled in the art within the scope of the invention.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Hybrid Cells (AREA)

Abstract

La présente invention concerne un appareil batterie à combustible à électrode à air. L'appareil batterie à combustible pour accélérer l'écoulement d'air de surface de cathode de la présente invention comprend au moins deux batteries à un étage, chaque batterie à un étage comprenant une enveloppe, une cavité d'électrolyte, une cavité d'accumulation de réactif, et une cavité de réaction électrochimique située entre la cavité d'électrolyte et la cavité d'accumulation de réactif. Un côté de la cavité de réaction électrochimique est pourvu d'une douille d'anode pour insérer une anode, d'une plaque d'électrode d'anode insérée dans la cavité de réaction électrochimique et d'une plaque d'électrode de cathode à air sur les deux côtés de la plaque d'électrode d'anode. Les cathodes à air se fixent aux deux côtés de la cavité de réaction électrochimique, et une structure de circulation d'air est en outre comprise. La présente invention résout le problème de dissipation thermique de la chaleur produite durant la réaction électrochimique lorsque de multiples étages de batteries sont utilisés en même temps, et fournit suffisamment d'oxygène pour que l'électrode de cathode à air utilise entièrement le matériau d'électrode.
PCT/CN2011/080331 2010-09-30 2011-09-29 Appareil batterie à combustible pour accélérer l'écoulement d'air de surface de cathode WO2012041241A1 (fr)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
CN201010501374.3 2010-09-30
CN2010105013743A CN102005627B (zh) 2010-09-30 2010-09-30 一种可更换燃料的铝、镁合金燃料电池
CN2010105257004A CN102025006B (zh) 2010-10-27 2010-10-27 一种加快阴极表面空气流动的燃料电池装置
CN201010525654.8 2010-10-27
CN201010525678.3A CN102025005B (zh) 2010-10-27 2010-10-27 铝、镁合金燃料电池
CN201010525700.4 2010-10-27
CN2010105256548A CN102025004A (zh) 2010-10-27 2010-10-27 一种内循环式合金燃料电池
CN201010525678.3 2010-10-27

Publications (1)

Publication Number Publication Date
WO2012041241A1 true WO2012041241A1 (fr) 2012-04-05

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PCT/CN2011/080331 WO2012041241A1 (fr) 2010-09-30 2011-09-29 Appareil batterie à combustible pour accélérer l'écoulement d'air de surface de cathode

Country Status (1)

Country Link
WO (1) WO2012041241A1 (fr)

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4871627A (en) * 1986-10-22 1989-10-03 Alcan International Limited Multi-cell metal/air battery
US4950561A (en) * 1989-06-29 1990-08-21 Eltech Systems Corporation Metal-air battery with easily removable anodes
CN101527366A (zh) * 2009-01-19 2009-09-09 马润芝 铝镁合金燃料电池供电装置
CN102005627A (zh) * 2010-09-30 2011-04-06 马润芝 一种可更换燃料的铝、镁合金燃料电池
CN102025004A (zh) * 2010-10-27 2011-04-20 马润芝 一种内循环式合金燃料电池
CN102025005A (zh) * 2010-10-27 2011-04-20 马润芝 铝、镁合金燃料电池
CN102025006A (zh) * 2010-10-27 2011-04-20 马润芝 一种加快阴极表面空气流动的燃料电池装置
CN201853785U (zh) * 2010-09-30 2011-06-01 马润芝 一种可更换燃料的铝、镁合金燃料电池
CN201853787U (zh) * 2010-10-27 2011-06-01 马润芝 一种内循环式合金燃料电池
CN201853771U (zh) * 2010-10-27 2011-06-01 马润芝 一种加快阴极表面空气流动的燃料电池装置
CN201853786U (zh) * 2010-10-27 2011-06-01 马润芝 铝、镁合金燃料电池

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4871627A (en) * 1986-10-22 1989-10-03 Alcan International Limited Multi-cell metal/air battery
US4950561A (en) * 1989-06-29 1990-08-21 Eltech Systems Corporation Metal-air battery with easily removable anodes
CN101527366A (zh) * 2009-01-19 2009-09-09 马润芝 铝镁合金燃料电池供电装置
CN102005627A (zh) * 2010-09-30 2011-04-06 马润芝 一种可更换燃料的铝、镁合金燃料电池
CN201853785U (zh) * 2010-09-30 2011-06-01 马润芝 一种可更换燃料的铝、镁合金燃料电池
CN102025004A (zh) * 2010-10-27 2011-04-20 马润芝 一种内循环式合金燃料电池
CN102025005A (zh) * 2010-10-27 2011-04-20 马润芝 铝、镁合金燃料电池
CN102025006A (zh) * 2010-10-27 2011-04-20 马润芝 一种加快阴极表面空气流动的燃料电池装置
CN201853787U (zh) * 2010-10-27 2011-06-01 马润芝 一种内循环式合金燃料电池
CN201853771U (zh) * 2010-10-27 2011-06-01 马润芝 一种加快阴极表面空气流动的燃料电池装置
CN201853786U (zh) * 2010-10-27 2011-06-01 马润芝 铝、镁合金燃料电池

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